Motion Detection Local Alarms Simple and dependable, this motion detection alarm is ideal for restless patients, immediately alerting caregivers when a patient attempts to exit their bed or room. With a 24' activation range, the alarm can be placed at bedside or in a doorway and is triggered when motion is detected by the infrared sensor, sounding for 30 seconds before automatically resetting. The alarm contains an on/off switch and includes chime or alarm sound options. Choose alarm with Wall Mount or Magnetic Bed Rail Clamp.